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0c75e17814
This code is inspired by the implementation of the same feature for the Mx toolkit's MxKineticScrollView. See commit 4d08771. https://bugzilla.gnome.org/show_bug.cgi?id=707982
153 lines
6.6 KiB
C
153 lines
6.6 KiB
C
/*
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* Clutter.
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*
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* An OpenGL based 'interactive canvas' library.
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*
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* Copyright (C) 2010 Intel Corporation.
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* Copyright (C) 2011 Robert Bosch Car Multimedia GmbH.
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* Copyright (C) 2012 Collabora Ltd.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Author:
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* Emanuele Aina <emanuele.aina@collabora.com>
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*
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* Based on ClutterDragAction, ClutterSwipeAction, and MxKineticScrollView,
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* written by:
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* Emmanuele Bassi <ebassi@linux.intel.com>
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* Tomeu Vizoso <tomeu.vizoso@collabora.co.uk>
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* Chris Lord <chris@linux.intel.com>
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*/
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#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
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#error "Only <clutter/clutter.h> can be included directly."
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#endif
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#ifndef __CLUTTER_PAN_ACTION_H__
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#define __CLUTTER_PAN_ACTION_H__
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#include <clutter/clutter-gesture-action.h>
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G_BEGIN_DECLS
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#define CLUTTER_TYPE_PAN_ACTION (clutter_pan_action_get_type ())
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#define CLUTTER_PAN_ACTION(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_PAN_ACTION, ClutterPanAction))
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#define CLUTTER_IS_PAN_ACTION(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_PAN_ACTION))
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#define CLUTTER_PAN_ACTION_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_PAN_ACTION, ClutterPanActionClass))
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#define CLUTTER_IS_PAN_ACTION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_PAN_ACTION))
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#define CLUTTER_PAN_ACTION_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_PAN_ACTION, ClutterPanActionClass))
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typedef struct _ClutterPanAction ClutterPanAction;
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typedef struct _ClutterPanActionPrivate ClutterPanActionPrivate;
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typedef struct _ClutterPanActionClass ClutterPanActionClass;
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/**
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* ClutterPanAction:
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*
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* The #ClutterPanAction structure contains
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* only private data and should be accessed using the provided API
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*
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* Since: 1.12
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*/
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struct _ClutterPanAction
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{
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/*< private >*/
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ClutterGestureAction parent_instance;
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ClutterPanActionPrivate *priv;
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};
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/**
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* ClutterPanActionClass:
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* @pan: class handler for the #ClutterPanAction::pan signal
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* @pan_stopped: class handler for the #ClutterPanAction::pan-stopped signal
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*
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* The #ClutterPanActionClass structure contains
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* only private data.
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*
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* Since: 1.12
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*/
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struct _ClutterPanActionClass
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{
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/*< private >*/
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ClutterGestureActionClass parent_class;
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/*< public >*/
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gboolean (* pan) (ClutterPanAction *action,
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ClutterActor *actor,
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gboolean is_interpolated);
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void (* pan_stopped) (ClutterPanAction *action,
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ClutterActor *actor);
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/*< private >*/
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void (* _clutter_pan_action1) (void);
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void (* _clutter_pan_action2) (void);
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void (* _clutter_pan_action3) (void);
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void (* _clutter_pan_action4) (void);
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void (* _clutter_pan_action5) (void);
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void (* _clutter_pan_action6) (void);
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};
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CLUTTER_AVAILABLE_IN_1_12
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GType clutter_pan_action_get_type (void) G_GNUC_CONST;
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CLUTTER_AVAILABLE_IN_1_12
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ClutterAction * clutter_pan_action_new (void);
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CLUTTER_AVAILABLE_IN_1_12
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void clutter_pan_action_set_pan_axis (ClutterPanAction *self,
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ClutterPanAxis axis);
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CLUTTER_AVAILABLE_IN_1_12
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ClutterPanAxis clutter_pan_action_get_pan_axis (ClutterPanAction *self);
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CLUTTER_AVAILABLE_IN_1_12
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void clutter_pan_action_set_interpolate (ClutterPanAction *self,
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gboolean should_interpolate);
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CLUTTER_AVAILABLE_IN_1_12
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gboolean clutter_pan_action_get_interpolate (ClutterPanAction *self);
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CLUTTER_AVAILABLE_IN_1_12
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void clutter_pan_action_set_deceleration (ClutterPanAction *self,
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gdouble rate);
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CLUTTER_AVAILABLE_IN_1_12
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gdouble clutter_pan_action_get_deceleration (ClutterPanAction *self);
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CLUTTER_AVAILABLE_IN_1_12
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void clutter_pan_action_set_acceleration_factor (ClutterPanAction *self,
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gdouble factor);
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CLUTTER_AVAILABLE_IN_1_12
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gdouble clutter_pan_action_get_acceleration_factor (ClutterPanAction *self);
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CLUTTER_AVAILABLE_IN_1_12
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void clutter_pan_action_get_interpolated_coords (ClutterPanAction *self,
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gfloat *interpolated_x,
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gfloat *interpolated_y);
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CLUTTER_AVAILABLE_IN_1_12
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gfloat clutter_pan_action_get_interpolated_delta (ClutterPanAction *self,
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gfloat *delta_x,
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gfloat *delta_y);
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CLUTTER_AVAILABLE_IN_1_14
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gfloat clutter_pan_action_get_motion_delta (ClutterPanAction *self,
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guint point,
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gfloat *delta_x,
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gfloat *delta_y);
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CLUTTER_AVAILABLE_IN_1_14
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void clutter_pan_action_get_motion_coords (ClutterPanAction *self,
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guint point,
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gfloat *motion_x,
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gfloat *motion_y);
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CLUTTER_AVAILABLE_IN_1_24
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gfloat clutter_pan_action_get_constrained_motion_delta (ClutterPanAction *self,
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guint point,
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gfloat *delta_x,
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gfloat *delta_y);
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G_END_DECLS
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#endif /* __CLUTTER_PAN_ACTION_H__ */
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